How to avoid vapour emission during filling of departure ballast (non SBT vessel)?

A:By simultaneous ballasting andcargo discharge B:By reducing the IG pressure C:By minimizing the amount ofdeparture ballast D:By closing all the openings

Oil water separators are used to ensure that ships dont discharge oil when pumping out _____.

A:ballast water B:boiler water C:bilge water D:sewage water

_____ system is arranged to ensure that water can be drawn from any tank or the sea and discharged to any other tank or the sea as required to trim the vessel.

A:The domestic water B:Bilge water C:Oil transfer D:The ballast

A segregated ballast system is a system where _____.

A:all ballast is processed through the oily water separator B:ballast is taken on and discharged through a separate main deck riser C:ballast and cargo tanks are separated by cofferdams D:all ballast lines, tanks, and pumps are independent of those used for oil

Which of the following statements describes one of the functions of the ballast system?

A:To permit flooding of any fuel oil storage tank on any class of ship B:To use it as a secondary service system C:To store reserve feed or potable water for extended cruises D:To stabilize the ship by flooding certain designed tanks with seawater

The value of GM still remains one meter, meanwhile we can pump the ballast water to_____ the ship on even keel.

A:make B:put C:keep D:get

Upon arrival at a port, a vessel is not allowed _____ her ballast water, tanker washings or bilge water and other oily water at will.

A:to discharge B:to be discharged C:discharging D:being discharged

Where tanks are arranged for either oil or ballast __ must be fitted in the pipe so that only the ballast main or the oil transfer main connected to the tank..

A:a sea water chest B:a change-over chest C:a buffer tank D:a three-way valve

"The ________ are not arranged for the carriage of ballast water．

A:double bottom tanks B:topside tanks C:hopper tanks D:vertical trunks or pipes"